| 1. | Theory of vibration of pile on elastic foundation considering 3d wave effect of soil and its applications
考虑土体三维波动效应时弹性支承桩的振动理论及其应用 |
| 2. | The c . e . in both 2d and 3d problem increase the lifting forces , the c . e . in 3d problem decreases the " drag coefficients , but the c . e . in 2d increases the drag a little
波动效应也随着高度的增加而减少，但是和曲壁面效应相比，衰减速度要小得多。波动效应具有减阻作用。 |
| 3. | Modeling soil as a three - dimensional axisymmetric continuum and taking its 3d wave effect into account , longitudinal vibration of pile and its application is systematically investigated
本文从三维轴对称土体模型出发，在考虑桩周土体三维波动效应情况下，较系统地对桩的纵向振动特性进行了研究。 |
| 4. | Section 2 . 3 mainly analyzes the eight factors that effect the consumption and monetary policy , such as the character of dual - structure of the consumption and incomes , and so on
如边际消费倾向的两个效应：收入差距效应和收入波动效应；居民的当期收入边际消费倾向低；消费与收入的二元结构特征；等。 |
| 5. | Attenuates slower than the c . e . , when the wing fly high enough , the c . e . is the main effect to the aerodynamic characteristics . 3 . the larger the chord , the stronger the c . e . and w . e
飞行高度较低时，波动效应和曲壁面效应对机翼的气动力都会产生很大的影响，两者之间存在较强的藕合效果;但是飞行高度较高时，综合的结果主要体现了波动效应的特征。 |
| 6. | Three models are employed to analyze the aerodynamic characteristics of a wing above sea - wave . those are ( 1 ) curve surface effect ( c . e . ) , ( 2 ) wavy air motion effect ( w . e . ) and the coupled effect a . e
研究了曲壁面效应，波动效应以及壁面和波动综合效应三种影响模式对二维和三维机翼在风浪中飞行时的气动力性能的影响规律，指出了二维和三维机翼气动力特性的共性和区别。 |
| 7. | Based on 3d axis - symmetrical soil model and the theory of saturated porous medium originally presented by biot , an integral pile and pile with variable impedance embedded in layered saturated soil are analytically studied in this dissertation
在这一背景下，本文考虑了饱和土的三维波动效应，采用解析方法对三维轴对称成层饱和土中完整桩及各类变阻抗桩的纵向耦合振动理论进行系统研究。 |
| 8. | The paper has presented a physical oil production technology by artificial earthquake , that is , vibration waves are caused in the oil - bearing formation , resulting in a series of vibration effects , there - fore , oil productivity or water injectivity is increased
摘要人工地震采油是通过地面可调频振源进行一定频率的振动，产生振动波，在油层发生一系列的波动效应，达到增产增注目的的一项物理法采油技术。 |
| 9. | A new viewpoint to the albatross ' s high performance of flight near wave surface is presented in this paper . how the albatross can realize it high performance flight above waves by taking advantage of wavy effect and boundary effect is illustrated in details
研究了信天翁在波浪上飞行时的气动力和运动，对信天翁在风浪中高效飞行的机理提出了新的见解，详细论证了信天翁利用波动效应和壁面效应在风浪场中实现低能耗飞行的原因。 |
| 10. | The western government should pay attention to technology innovation and its diffusion . we can use the experiences of other countries for reference such as japan . the wave efficiency , which the successful diffusion produces , will form the radiation to a certain < wp = 10 > degree to improve the competence of the western enterprise
西部地区应狠抓技术创新及其有效扩散，借鉴日本等一些国家的经验，通过这种< wp = 7 >成功的扩散，产生一些波动效应，而这些波动效应会在整个西部地区形成一定的辐射，从而提高西部地区及企业的国际市场竞争力。 |
